Each picture book in this series is a biography of a significant historical figure, told in a simple, conversational, vivacious way, and always focusing on a character trait that makes the person a role model for kids. The heroes are depicted as children throughout, telling their life stories in first-person present tense, which keeps the books playful and accessible to young children. And each book ends with a line of encouragement, a direct quote, photos, a timeline, and a source list. This tenth book in the series features Jane Goodall, the scientist and conservationist who is famous for her work with chimpanzees.